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Diamond Pendant Necklaces

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Gemstone: Diamond
Heart Shaped Locket 18k Yellow & White Gold Vitreous Enamel 4 Diamonds 0.8ct
Located in Pforzheim, DE
Heart Shaped Locket 18k Yellow- and White Gold, Yellow Vitreous Enamel, 4 diamonds 0.8ct H VS brilliant cut About VICTOR MAYER VICTOR MAYER is a fine jewelry house known for its sop...
Category

21st Century and Contemporary Victorian Diamond Pendant Necklaces

Materials

Diamond, Enamel, 18k Gold, White Gold, Yellow Gold

Yellow Diamond Cluster Pendant Set in 18k White and Yellow Gold
Located in London, GB
An elegant yellow and white diamond cluster necklace set in 18k white gold. The pendant is centrally set with a sparkly round brilliant cut yellow diamond that is haloed by 12 smal...
Category

2010s Modern Diamond Pendant Necklaces

Materials

Diamond, White Diamond, Yellow Diamond, Gold, 18k Gold, White Gold, Yell...

Dana David 18 Karat Yellow Diamond Leather Necklace
Located in Cincinnati, OH
This is a classic Dana David necklace. 18 karat yellow gold clasp and pendant. Pendant is approximately 1" diameter round with 9 round diamonds. .09tdw Brown leather necklace with...
Category

Early 2000s Diamond Pendant Necklaces

Materials

Diamond, 18k Gold

Emerald Shaped Emeralds Two Baguette Diamonds White Gold Drop Pendant Necklace
Located in New York, NY
Fourteen karats white gold necklace pendant Necklace measuring 16 inches long One emerald cut Colombia emeralds weighing 0.75 carats Two baguette shaped diamonds weighing 0.10 carat...
Category

2010s Contemporary Diamond Pendant Necklaces

Materials

Emerald, Diamond, Gold, 14k Gold, White Gold

18k Gold Heart and Cross Diamond Necklace Cross Pendant Religious Necklace
Located in Bangkok, TH
Heart and Cross Diamond Necklace is made of 18k solid gold. Available in three colors of gold: White Gold / Rose Gold / Yellow Gold. Lightweight and gorgeous natural genuine diamond...
Category

21st Century and Contemporary Modern Diamond Pendant Necklaces

Materials

Diamond, 18k Gold, Rose Gold, White Gold, Yellow Gold

0.35 CTW Diamond Star Pendant Necklace in 18 Karat Solid Gold
Located in Bangkok, TH
Lovely And delicate Star Charm Pendant Necklace In 18k Solid Gold featured with 0.35ct White Round Cut Diamond G color And Si Clarity. Fine Handmade and diamond are Handsets by maste...
Category

21st Century and Contemporary Modern Diamond Pendant Necklaces

Materials

Diamond, Gold, 18k Gold, Yellow Gold

14k Gold Pave Diamond Necklace Simple Minimal Necklace
Located in Bangkok, TH
Pave Diamond Necklace is made of 14k solid gold available in three colors of gold, Rose Gold / White Gold / Yellow Gold. Natural genuine round cut diamond each diamond is hand selec...
Category

21st Century and Contemporary Modern Diamond Pendant Necklaces

Materials

Diamond, 14k Gold, Rose Gold, White Gold, Yellow Gold

18k Gold Diamond Lotus Necklace Meditation Necklace Floral Necklace
Located in Bangkok, TH
Diamond Lotus Necklace made of 18k solid gold available in three colors, White Gold / Rose Gold / Yellow Gold. Natural genuine round cut diamond each diamond is hand selected by me ...
Category

21st Century and Contemporary Modern Diamond Pendant Necklaces

Materials

Diamond, 18k Gold, Rose Gold, White Gold, Yellow Gold

18k Gold Diamond Angel Wing Necklace Angel Protect Charm Pendant Necklace
Located in Bangkok, TH
Diamond Angel Wing Necklace in 18k Rose Gold / White Gold / Yellow Gold. A solid gold diamond Angel wings necklace is made with perfection of art. A Spiritual Protect gift for yours...
Category

21st Century and Contemporary Modern Diamond Pendant Necklaces

Materials

Diamond, 18k Gold, Rose Gold, White Gold, Yellow Gold

Tiffany & Co. Diamond Enamel Platinum Ladybug Charm Pendant Chain Necklace
Located in Miami, FL
This excellent Condition Tiffany and Co. diamond pendant link necklace was inspired in a ladybug motif, enameled with Black and red accents, and crafted in Platinum 950. Adorning t...
Category

1990s Modern Diamond Pendant Necklaces

Materials

Diamond, Platinum, Enamel

18k Gold Hamsa Hand Diamond Necklace Star of David Necklace
Located in Bangkok, TH
Beautiful Little Hamsa Hand Pendant is made of 18k solid gold. Available in three colors of gold: White Gold / Rose Gold / Yellow Gold. This necklace adorned with natural white roun...
Category

21st Century and Contemporary Modern Diamond Pendant Necklaces

Materials

Diamond, 18k Gold, Rose Gold, White Gold, Yellow Gold

DiamondTown 1.53 Carat Fine Burmese Ruby and Diamond Cross Pendant in 18k Gold
Located in New York, NY
(DiamondTown) This stunning cross pendant features five oval cut vivid red rubies (total weight 1.53 carats), around a central round diamond. Additional trios of diamonds decoate the...
Category

21st Century and Contemporary Contemporary Diamond Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold, White Gold

18k Gold Dainty Horseshoe Diamond Necklace Slim U Shape Necklace
Located in Bangkok, TH
Dainty Horseshoe Diamond Necklace is made of 18k solid gold. Available in three colors of gold, White gold / Rose Gold / Yellow Gold. Lightweight and gorgeous natural genuine round ...
Category

21st Century and Contemporary Modern Diamond Pendant Necklaces

Materials

Diamond, 18k Gold, Rose Gold, White Gold, Yellow Gold

Pear Shaped Blue Sapphire and Diamond White Gold Drop Pendant Necklace
Located in New York, NY
Fourteen karats white gold stacking necklace pendant Necklace measuring 16 inches long Pear Shaped blue sapphire weighing 1.15 carats Sapphire is of royal blue hue Diamond bail weig...
Category

2010s Modern Diamond Pendant Necklaces

Materials

Diamond, Sapphire, Blue Sapphire, Gold, 14k Gold, White Gold

Vintage B.Zero1 Diamond Pendant Necklace Set in 18k White Gold
Located in London, GB
A beautiful vintage Bvlgari B.Zero1 diamond pendant necklace set in 18k white gold. From Bvlgari's current B.Zero1 collection, the pendant is depicts the iconic ring motif. The rin...
Category

2010s Modern Diamond Pendant Necklaces

Materials

Diamond, Gold, 18k Gold, White Gold

14k Gold Diamond Lotus Necklace Minimalist Spiritual Lotus Necklace
Located in Bangkok, TH
Diamond Lotus Flower Necklace is made of 14k solid gold available in three colors of gold, White Gold / Rose Gold / Yellow Gold. Lightweight and gorgeous natural genuine diamond. Ea...
Category

21st Century and Contemporary Modern Diamond Pendant Necklaces

Materials

Diamond, 14k Gold, Rose Gold, White Gold, Yellow Gold

14k Gold Diamond Lotus Necklace Meditation Necklace Floral Necklace
Located in Bangkok, TH
Diamond Lotus Necklace is made of 14k solid gold available in three colors of gold, White Gold / Rose Gold / Yellow Gold. Natural genuine round cut diamond each diamond is hand sele...
Category

21st Century and Contemporary Modern Diamond Pendant Necklaces

Materials

Diamond, 14k Gold, Rose Gold, White Gold, Yellow Gold

14k Gold Hamsa Hand Diamond Necklace Star of David Necklace
Located in Bangkok, TH
Beautiful Little Hamsa Hand Pendant is made of 14k solid gold. Available in three colors of gold, White Gold / Rose Gold / Yellow Gold. This necklace adorned with natural white roun...
Category

21st Century and Contemporary Modern Diamond Pendant Necklaces

Materials

Diamond, 14k Gold, Rose Gold, White Gold, Yellow Gold

Certified Mark Henry 7.29 Carat Paraiba Tourmaline and Diamond Pendant
Located in New York, NY
An illuminating trillion shape Paraiba cabochon rests at the center of our Prism Necklace. Traced by two rows of glittering diamonds, the pendant is suspended from a tasteful 18" fan...
Category

21st Century and Contemporary Contemporary Diamond Pendant Necklaces

Materials

Diamond, Tourmaline, Paraiba, 18k Gold, Yellow Gold

18k Gold Hamsa Hand Necklace Evil Eye Necklace Diamond Necklace
Located in Bangkok, TH
Beautiful little Hamsa Hand Pendant is made of 18k solid gold available in three colors, White Gold / Rose Gold / Yellow Gold. Delicate Minimal Necklace is adorned with natural whit...
Category

21st Century and Contemporary Modern Diamond Pendant Necklaces

Materials

Diamond, 18k Gold, Rose Gold, White Gold, Yellow Gold

14k Gold Diamond Anchor Necklace Nautical Necklace Marine Necklace
Located in Bangkok, TH
Diamond Anchor Necklace with natural diamond set is made of 14k solid gold. Available in three colors of gold: White Gold / Rose Gold / Yellow Gold. Lightweight and gorgeous, these ...
Category

21st Century and Contemporary Modern Diamond Pendant Necklaces

Materials

Diamond, 14k Gold, Rose Gold, White Gold, Yellow Gold

Large Diamond Starfish Pendant Necklace Set in 18k White Gold
Located in London, GB
A lovely modern diamond set starfish pendant set in 18k white gold. The pendant is pave set throughout with 32 round brilliant cut diamonds within a starfish motif. Due to the desig...
Category

2010s Modern Diamond Pendant Necklaces

Materials

Diamond, Gold, 18k Gold, White Gold

Piaget 18K Rose Gold 0.21 Ct Diamond Rose Pendant Necklace
Located in Southampton, PA
This Piaget pendant necklace has a captivating design that will forever impress. Suspended from a 16” chain, you’ll find a bold rose-shaped pendant that measures 0.75” round. This ar...
Category

21st Century and Contemporary Diamond Pendant Necklaces

Materials

Diamond, Rose Gold

1.73 Carat Diamond White Gold Puffed Pave Heart Pendant Necklace
Located in Stamford, CT
Domed diamond pendant necklace. Pave diamond set heart shaped pendant on a three strand white gold chain. The bail is accented with round cut diamonds. The chain is 16 inches in leng...
Category

Early 2000s Diamond Pendant Necklaces

Materials

Diamond, Gold, 14k Gold, White Gold

LB Exclusive 18K Yellow Gold 0.06 ct Diamond and Ruby Pendant Necklace
Located in Southampton, PA
This exceptional pendant necklace will add color and sparkle to any ensemble. Suspended at the center of a 15” chain, you’ll find an 18K Yellow Gold eye-shaped pendant measuring 0.15...
Category

21st Century and Contemporary Diamond Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Mark Henry 1.09 Carat Natural Brazilian Alexandrite and Diamond Pendant, 18kt
Located in New York, NY
This one of a kind marvel is a one of one in existence. Alexandrite at sizes greater 1 carat are rarely found across all geographic sources to begin with, but 1 carat stones from Bra...
Category

21st Century and Contemporary Contemporary Diamond Pendant Necklaces

Materials

Diamond, Alexandrite, 18k Gold, White Gold

Blue Sapphire with Diamond Pendant Set in 18 Karat Gold Settings
Located in Bangkok, TH
Blue Sapphire 3.15 carats with Diamond 0.11 carat Pendant set in 18 Karat Gold Settings (chain not included) Width: 0.9 cm Length: 2.3 cm Total Weight: 2.11 grams "We first opene...
Category

2010s Contemporary Diamond Pendant Necklaces

Materials

Diamond, Blue Sapphire, Gold, 18k Gold

Decagram "Star of My Heart" Ruby and Diamond Yellow Gold Enhancer Pendant Brooch
Located in Tustin, CA
Very unique and beautifully custom hand made, pendant or brooch pin with a modern artisan style features a 10 pointed star or decagram, embellished with 6 round diamonds bezel set in...
Category

1980s Artisan Vintage Diamond Pendant Necklaces

Materials

White Diamond, Ruby, Diamond, Yellow Gold, 14k Gold

Art Deco Inspired Diamond Panel Necklace Set in Platinum
Located in London, GB
An outstanding Art Deco inspired diamond panel necklace set in platinum This beautiful piece is centrally composed of Art Deco inspired panelling, set throughout with round brillian...
Category

2010s Art Deco Diamond Pendant Necklaces

Materials

Diamond, Platinum

Stambolian 18 Karat Yellow Gold Diamond Armenian Cross Pendant Necklace
Located in Boca Raton, FL
Stambolian 18 Karat Yellow Gold Diamond Armenian Cross Pendant Necklace This gorgeous Armenian cross pendant is crafted in solid 18k gold and features a four diamond cluster in the ...
Category

21st Century and Contemporary Contemporary Diamond Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

Petite Diamond Cross Pendant Set in 18k White Gold
Located in London, GB
A lovely diamond cross pendant set in 18k white gold. The cross itself is beautifully crafted and is composed of 6 individual claw set round brilliant cut diamonds. The cross hangs ...
Category

2010s Modern Diamond Pendant Necklaces

Materials

Diamond, White Gold, Gold, 18k Gold

Geometrical Diamond White Gold Designer Pendant
Located in Montreux, CH
White Gold 14K Pendant Diamond 299-RND-2,95-G/VS1A Weight 18,33 grams With a heritage of ancient fine Swiss jewelry traditions, NATKINA is a Geneva based jewellery brand, which cr...
Category

2010s Diamond Pendant Necklaces

Materials

Diamond, White Diamond, Ruby, 14k Gold, White Gold

GIA Certified 0.92 Carat Pear Shape Diamond Solitaire Pendant Necklace
Located in New York, NY
A simple pendant necklace showcasing a 0.92 carat pear shape diamond, set in a 14k yellow gold bezel. Suspended on a 16 inch white gold chain. Diamond is accompanied with a GIA repor...
Category

21st Century and Contemporary Contemporary Diamond Pendant Necklaces

Materials

Diamond, 14k Gold

Stambolian Aged Sterling Silver 18K Gold Diamond Ganesh Pendant Necklace
Located in Boca Raton, FL
Stambolian Aged Sterling Silver 18K Gold Diamond Ganesh Pendant Necklace Ganesh is done in solid 18K Yellow and Pink Gold with all intricate details shown. The head has one diamond,...
Category

21st Century and Contemporary Aesthetic Movement Diamond Pendant Necklaces

Materials

Diamond, White Diamond, 18k Gold, Yellow Gold, Sterling Silver

Estate Diamond Yellow Sapphire Gold Fish 18K Gold Cluster Brooch Pin
Located in Miami, FL
A Gold FISH Pin Made of GOLD! witness the true beauty of this astounding literal Gold-Fish Inspired Gold Brooch. Large soft curved design & high sparkle, crafted in bold 18K yellow...
Category

1980s Modern Vintage Diamond Pendant Necklaces

Materials

Diamond, Yellow Sapphire, 18k Gold

Zambian Emerald Gemstone Charm Pendant Necklace Diamond 14k Yellow Gold Jewelry
Located in IN
Item Code :- CN-26147 Gross Weight :-3.79 gm 14k Yellow Gold Wt :- 2.90 gm Diamond Wt :- 0.10 ct Emerald Wt :- 4.36 ct Necklace Size :- 16 Inches Long
Category

21st Century and Contemporary Modern Diamond Pendant Necklaces

Materials

Diamond, Emerald, 14k Gold, Yellow Gold

Roberto Coin Princess Flower Diamond Necklace 8882348AW18X
Located in Wilmington, DE
18kt White Gold Approx 0.16 carat total weight 18" Chain 8882348AW18X
Category

2010s Diamond Pendant Necklaces

Materials

Diamond, 18k Gold

Chopard Happy Diamond Pendent 79A611/0001
Located in Wilmington, DE
At the very heart of Chopard's women's jewellery collection, the Happy Diamonds Icons line is as unique as it is playful. Inspired by sparkling drops of water in a waterfall, the 3 f...
Category

2010s Diamond Pendant Necklaces

Materials

Diamond, 18k Gold

Chopard Happy Diamond Puff Heart 18k Gold Necklace
Located in Miami, FL
Adore this delightful and artistic Diamond Authentic Chopard Happy Diamond necklace pendant, set with the finest Chopard round brilliant cut diamonds in its original Chopard Box. Th...
Category

1990s Modern Diamond Pendant Necklaces

Materials

Diamond, 18k Gold

Roman Malakov, Five-Stone Round Diamond Constellation Drop Pendant Necklace
Located in New York, NY
A simple pendant necklace showcasing five graduating round diamonds, set in a constellation style drop in 14 karat white gold. Diamonds weigh 1.54 carats total. Suspended on a yellow...
Category

21st Century and Contemporary Contemporary Diamond Pendant Necklaces

Materials

Diamond, 14k Gold

Roberto Coin Baby Cross Pendent 001883AWCHX0
Located in Wilmington, DE
Roberto Coin Baby Cross Pendent with Diamonds 18k White Gold Diamonds 0.11 Carat Total Weight Chain 16"-18" Adjustable Pendent 7mm X 5mm 001883AWCHX0
Category

2010s Diamond Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

Roberto Coin Puffed Heart Pendent with Diamonds 001549AWCHX0
Located in Wilmington, DE
18kt White Gold Diamonds 0.15 total carat weight 18″ Chain 001549AWCHX0
Category

2010s Diamond Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

Chopard Happy Heart with Mother of Pearl Ladies Necklace 797482-1301
Located in Wilmington, DE
18ct White Gold Mother of Pearl Diamond 42cm 18ct white gold chain. 797482-1301
Category

2010s Diamond Pendant Necklaces

Materials

Diamond

GIA Cabochon 15.92cts Blue Sapphire Diamond Platinum Double Halo Dangle Pendant
Located in Miami, FL
Shining from Every side, this pendant is the perfect enhancer to any necklace, Crafted in solid Platinum, with a center with a GIA certified Blue Sapphire from Thailand with minor ...
Category

1980s Modern Vintage Diamond Pendant Necklaces

Materials

Diamond, Blue Sapphire, 18k Gold

Roberto Coin Flower Pendent with Diamonds 7771371AWCHX
Located in Wilmington, DE
18k White Gold Diamonds 0.17 total carat weight Adjustable chain 16" - 18" 7771371AWCHX
Category

2010s Diamond Pendant Necklaces

Materials

Diamond

Art Deco Ruby Diamond Mughal Emerald Platinum Lamp Charm
Located in Philadelphia, PA
Charm is designed as a lamp with a Mughal carved emerald as body. Translucent bluish green and carved to depict foliate while weighing approximately 1.00 carat. Lampshade is pavè set...
Category

1930s Art Deco Vintage Diamond Pendant Necklaces

Materials

Diamond, White Diamond, Emerald, Ruby, Platinum

Roman Malakov GIA Certified Heart Shape Diamond Halo Pendant Necklace
Located in New York, NY
Showcasing a 1.81 carat heart shape diamond, certified by GIA as K color, SI2 clarity, surrounded by a halo of round brilliant diamonds weighing 0.20 carats total. Attached to a 16 i...
Category

21st Century and Contemporary Contemporary Diamond Pendant Necklaces

Materials

Diamond, Platinum

18 Karat White Gold Diamond Solitaire Pendant
Located in Monte-Carlo, MC
18K white gold delicate solitaire pendant is from Timeless Collection. This piece of jewellery is made of a natural white diamond 0.06 Carat. Total metal weight is 2.1 gr. The white...
Category

2010s Contemporary Diamond Pendant Necklaces

Materials

Diamond, White Diamond, 18k Gold, White Gold

Chopard Happy Diamond Pendent 793929-0301
Located in Wilmington, DE
The freely moving diamonds held between two sapphire crystals on these round-shaped pendant in 18-carat yellow gold swirl and dance, creating a cascade of light. PENDANT - HAPPY DIAM...
Category

2010s Diamond Pendant Necklaces

Materials

Diamond

Peter Suchy GIA Certified 3.74 Carat Sapphire Diamond Gold Pendant Necklace
Located in Stamford, CT
Purple natural untreated sapphire diamond pendant necklace. Pear shaped purple sapphire with a halo of 24 round brilliant cut diamonds set in 18k yellow gold. 15.75 inch chain. Desig...
Category

21st Century and Contemporary Diamond Pendant Necklaces

Materials

Diamond, Sapphire, Purple Sapphire, Yellow Gold, Gold, 18k Gold

Tiffany & Co. Diamond 18K Yellow Gold Aquarius Zodiac Medallion Pendant
Located in Miami, FL
A vintage masterpiece from the 1970s from Tiffany & Co. Crafted in solid 18K Yellow gold, with a textured finish, allowing sparkle and reflection from every corner. Inspired by the Z...
Category

1970s Modern Vintage Diamond Pendant Necklaces

Materials

Diamond, Yellow Gold

Georgios Collections 18 Karat Gold Diamond and Coin Reversable Pendant Necklace
Located in Astoria, NY
S.Georgios designer Coin Pendant is reversible and handmade from solid 18 Karat Yellow Gold. It is microscopically decorated on both sides with granulation - beads, and wires all fro...
Category

2010s Byzantine Diamond Pendant Necklaces

Materials

Diamond, White Diamond, Gold, 18k Gold, 22k Gold, 24k Gold, Yellow Gold,...

Roman Malakov Cluster Diamond Illusion Pendant Necklace
Located in New York, NY
Showcasing a cluster of marquise and princess cut diamonds illusion-set in a round mounting. The illusion setting makes it look like one large diamond. Diamonds weigh 0.62 carats tot...
Category

21st Century and Contemporary Contemporary Diamond Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

18k Gold Pendant Necklace Rose Gold Diamond Illusion Set Pave
Located in Bangkok, TH
18Karat Gold Pendant Necklace Rose Gold Diamond Illusion set Pave Elégance rectangle pendant in 18K Rose gold set with brilliant-cut diamonds, illusion set small baguettes gives an...
Category

21st Century and Contemporary Art Deco Diamond Pendant Necklaces

Materials

Diamond, Gold, Rose Gold

18k Solid Gold Diamond Necklace Taurus Zodiac Sign Diamond Zodiac Pendant
Located in Bangkok, TH
Beautiful and Sparkly Diamond Taurus Necklace made of 18k solid gold available in three colors, Yellow Gold / Rose Gold / White Gold. Natural genuine round cut diamond each diamond ...
Category

21st Century and Contemporary Modern Diamond Pendant Necklaces

Materials

Diamond, 18k Gold, Rose Gold, White Gold, Yellow Gold

Blue Sapphire with Diamond Pendant Set in 18 Karat Gold Settings
Located in Bangkok, TH
Blue Sapphire 1.90 carats with Diamond 0.11 carat Pendant set in 18 Karat Gold Settings (chain not included) Width: 0.8 cm Length: 2.2 cm Total Weight: 2.65 grams "We first opene...
Category

2010s Contemporary Diamond Pendant Necklaces

Materials

Diamond, Blue Sapphire, Gold, 18k Gold

Cabochon Ruby with Blue Sapphire and Diamond Cross Pendant Set in 18 Karat Gold
Located in Bangkok, TH
Cabochon Ruby 15.10 carats with Blue Sapphire 0.85 carat and Diamond 0.40 carat Cross Pendant set in 18 Karat Gold Settings (chain not included) Width: 3.9 cm Length: 4.3 cm "Sinc...
Category

2010s Diamond Pendant Necklaces

Materials

Diamond, Ruby, Blue Sapphire, Gold, 18k Gold

Roman Malakov 0.74 Carat Round Diamond Single Drill Solitaire Pendant Necklace
Located in New York, NY
A unique solitaire pendant necklace showcasing a 0.74 carat round brilliant diamond, finely drilled to attach to a white gold bale made in 14 karat white gold. Attached to an 16 inch...
Category

21st Century and Contemporary Contemporary Diamond Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

Antique and Vintage Diamond Jewelry and Watches

Diamonds and antique diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim the stone for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education. Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamonds value decreases if there are many blemishes or inclusions), color (the less color the higher the grade, cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better). When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty.

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.

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